.navbar-login-btn{
    margin-left: 10px;
}
.username-btn{
    cursor: pointer;
}

.main-content{
    margin-top: 20px;
}

.aside-nav{
    width: 200px;
    float: left;
}

.personal-center{

}
.right-content{
    float: right;
    width: calc(100% - 200px);
    padding: 0 20px;
    box-sizing: border-box;
}